Langer's Sudoku Assistant

8
2
9
       
4      
7      
       
4      
7      
1
5
6
3
3
4
5
9
8
6
7
2
1
6
7
1
5
2
3
8
9
4
6
8
5
2
9
4
1
3
7
1
3
2
5
7
8
4
6
9
9
4
7
3
1
6
2
5
8
       
4      
7      
       
4      
7      
8
9
5
6
3
1
2
2
5
3
8
1
4
6
9
7
1
6
9
7
3
2
4
8
5

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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